Sanakirja.org

Määritelmät

Substantiivi

1. (architecture) A vertical (or near vertical) opening (shaft) running from a courtyard to the sky, thus allowing air to circulate to high-rise apartments or offices.
2. (mining) A passage supplying ventilation into a mine tunnel or other underground facility.
3. (manufacturing) A device used for handling winding reels in the processing of web-fed materials, such as in continuous-process printing presses.